Brother MFC-8840D 5-in-1 Monochrome Laser Multi-Function Center plus duplex unit. Print technology: Laser, All-in-one functions: fax, scan, Maximum resolution: 600 x 600 DPI. Print speed (black, normal quality, A4/US Letter): 21 ppm, Print speed (colour, draft quality, A4/US Letter): 21 ppm, Print speed (black, normal quality, A3): 21 ppm. Maximum copy resolution: 1200 x 600 DPI, Copy speed (normal quality, black, A4): 21 cpm. Optical scanning resolution: 600 x 2400 DPI, Maximum scan area: 210 x 297 mm, Maximum scan resolution: 9600 x 9600 DPI. Modem speed: 33.6 Kbit/s, Fax memory: 32 pages, Fax broadcasting: 390 locations